Diffraction effect are more easily defected in case of a sound wave than light waves because
A. sound wave are longitudinal
B. sound waves have smaller wavelength
C. sound waves have larger wavelength
D. Sound waves are transverse
Answer: Option C
A. sound wave are longitudinal
B. sound waves have smaller wavelength
C. sound waves have larger wavelength
D. Sound waves are transverse
Answer: Option C
Which of the following substances will have the lowest speed of sound?
A. Water
B. Steel
C. Glasss
D. Air
What is the approximate range of sound for humans?
A. 20Hertz to 2000 Hertz
B. 20Hertz to 200Hertz
C. 20 Hertz to 20000 Hertz
D. 2 Hertz to 2000 Hertz
Loudness of sound depends upon which of the following?
A. Frequency
B. Wavelength
C. Amplitude
D. Overtones
A. On land
B. In air
C. In space
D. Underwater
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